Home / 79,931.82-119,897.64-23,771.67

Finding the Fourth Proportional to 79,931.82, 119,897.64 and 23,771.67

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Solution

The fourth proportional to 79,931.82, 119,897.64 and 23,771.67 is: 35,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,931.82 : 119,897.64 = 23,771.67 : x
  2. Step 2: Convert to fraction form
    79,931.82/119,897.64 = 23,771.67/x
  3. Step 3: Cross multiply
    79,931.82x = 119,897.64 × 23,771.67
  4. Step 4: Simplify right side
    79,931.82x = 2,850,167,131.86
  5. Step 5: Solve for x
    x = 2,850,167,131.86/79,931.82
  6. Step 6: Final answer
    x = 35,657.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.